Description

Dimethyl 5-Hydroxyisophthalate is a high-purity diester derivative of isophthalic acid, serving as a critical organic intermediate and building block in advanced chemical synthesis. Its value lies in the combination of the aromatic dicarboxylate structure with a reactive phenolic hydroxyl group, enabling precise molecular design. This compound is essential for manufacturers in the pharmaceutical, agrochemical, and specialty polymer industries who require a reliable, high-quality precursor for the development of active ingredients, ligands, and functional monomers.

Application

• Pharmaceutical Intermediate: Key building block for synthesizing active pharmaceutical ingredients (APIs), particularly those requiring a functionalized aromatic core.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and plant growth regulators.
• Specialty Polymer Monomer: Serves as a monomer or co-monomer for engineering plastics, liquid crystal polymers (LCPs), and high-performance polyesters.
• Ligand and Chelating Agent Precursor: The hydroxyl and ester groups provide sites for modification to create complexing agents for metal catalysis or extraction.
• Organic Synthesis Reagent: Employed in laboratory-scale and industrial organic synthesis for constructing complex molecular architectures.
• Dye and Pigment Intermediate: Used in the synthesis of specialized colorants and optical brighteners.

Basic Information

Product Name	Dimethyl 5-Hydroxyisophthalate
CAS No.	13036-02-7
Molecular Formula	C10H10O5
Molecular Weight	210.18 g/mol
Synonyms	5-Hydroxyisophthalic Acid Dimethyl Ester; Dimethyl 5-Hydroxybenzene-1,3-dicarboxylate; 1,3-Benzenedicarboxylic acid, 5-hydroxy-, dimethyl ester; 5-Hydroxy-1,3-benzenedicarboxylic acid dimethyl ester; Methyl 5-hydroxyisophthalate
EINECS	Contact for details

Quality Control

Our Dimethyl 5-Hydroxyisophthalate is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets exacting specifications for use in sensitive applications like pharmaceutical synthesis. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee traceability, consistency, and compliance with your project requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents and strong bases.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.